These headphones have decent sound quality and good battery life. There are no problems worth mentioning in terms of sound, although the volume in the headphones is a bit lower than in my wife's headphones for the same price. According to the user manual, the case charge is enough for 18 full charges of both earbuds and can also be used as a power bank to charge a phone or tablet. My main gripe is that the product description says the headphones are IPX7 waterproof, but the documentation doesn't confirm anything. Also, a small instruction manual recommends keeping the headphones away from water, wet and wet.
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